Graph the sequence 2, 4, 6, 8, 10

Which of these choices show a pair of equivalent expressions?

On a piece of paper graph f(x)=5•(0.4)^x

For the quadratic function [tex]y=(x+4)^2-1[/tex] , do the following: a) rewrite the function in the standard form, b) rewrite the function in intercept form, c) find the vertex, d) find the y-intercept, e) find the x-intercepts.